3845570486851 has 2 divisors, whose sum is σ = 3845570486852. Its totient is φ = 3845570486850.

The previous prime is 3845570486833. The next prime is 3845570486887. The reversal of 3845570486851 is 1586840755483.

It is a weak prime.

It is an emirp because it is prime and its reverse (1586840755483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3845570486851 - 2⁹ = 3845570486339 is a prime.

It is not a weakly prime, because it can be changed into another prime (3845570486831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1922785243425 + 1922785243426.

It is an arithmetic number, because the mean of its divisors is an integer number (1922785243426).

Almost surely, 2^{3845570486851} is an apocalyptic number.

3845570486851 is a deficient number, since it is larger than the sum of its proper divisors (1).

3845570486851 is an equidigital number, since it uses as much as digits as its factorization.

3845570486851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024000, while the sum is 64.

The spelling of 3845570486851 in words is "three trillion, eight hundred forty-five billion, five hundred seventy million, four hundred eighty-six thousand, eight hundred fifty-one".